Merge branch 'development'master

* development: (81 commits)
  Publish
  Updated CHANGELOGS
  print out error message and stack
  immediately return the patch incremented version if no changelog entries exist
  Put python package above TS/JS packages
  Reduce title size
  reduce text side in README
  Improve top-level README
  Fix prettier
  remove unused flag
  Add CHANGELOG entry
  Fix additional comments
  Improve comments
  Add migrations, contract-addresses and contract-artifacts to Developers home
  Create migrations doc reference page
  Add additional CHANGELOG to types package
  Add CHANGELOG entry
  Fix prettier
  Fix `SimpleContractArtifact` type
  Update abi-gen-wrappers
  ...

1 files changed, 75 insertions, 36 deletions

diff --git a/packages/instant/webpack.config.js b/packages/instant/webpack.config.js
index 239950866..41276809c 100644
--- a/packages/instant/webpack.config.js
+++ b/packages/instant/webpack.config.js
@@ -1,42 +1,81 @@
-const path = require('path');
+const childProcess = require('child_process');
 const ip = require('ip');
+const path = require('path');
+const webpack = require('webpack');
+
 // The common js bundle (not this one) is built using tsc.
 // The umd bundle (this one) has a different entrypoint.
-const outputPath = process.env.WEBPACK_OUTPUT_PATH || 'umd';
-const config = {
-    entry: {
-        instant: './src/index.umd.ts',
-    },
-    output: {
-        filename: '[name].js',
-        path: path.resolve(__dirname, outputPath),
-        library: 'zeroExInstant',
-        libraryTarget: 'umd',
-    },
-    devtool: 'source-map',
-    resolve: {
-        extensions: ['.js', '.json', '.ts', '.tsx'],
-    },
-    module: {
-        rules: [
-            {
-                test: /\.(ts|tsx)$/,
-                loader: 'awesome-typescript-loader',
-            },
+
+const GIT_SHA = childProcess
+    .execSync('git rev-parse HEAD')
+    .toString()
+    .trim();
+
+const HEAP_PRODUCTION_ENV_VAR_NAME = 'INSTANT_HEAP_ANALYTICS_ID_PRODUCTION';
+const HEAP_DEVELOPMENT_ENV_VAR_NAME = 'INSTANT_HEAP_ANALYTICS_ID_DEVELOPMENT';
+const getHeapAnalyticsId = modeName => {
+    if (modeName === 'production') {
+        return process.env[HEAP_PRODUCTION_ENV_VAR_NAME];
+    }
+
+    if (modeName === 'development') {
+        return process.env[HEAP_DEVELOPMENT_ENV_VAR_NAME];
+    }
+
+    return undefined;
+};
+
+module.exports = (env, argv) => {
+    const outputPath = process.env.WEBPACK_OUTPUT_PATH || 'umd';
+    const config = {
+        entry: {
+            instant: './src/index.umd.ts',
+        },
+        output: {
+            filename: '[name].js',
+            path: path.resolve(__dirname, outputPath),
+            library: 'zeroExInstant',
+            libraryTarget: 'umd',
+        },
+        plugins: [
+            new webpack.DefinePlugin({
+                'process.env': {
+                    GIT_SHA: JSON.stringify(GIT_SHA),
+                    HEAP_ANALYTICS_ID: getHeapAnalyticsId(argv.mode),
+                    NPM_PACKAGE_VERSION: JSON.stringify(process.env.npm_package_version),
+                },
+            }),
         ],
-    },
-    devServer: {
-        contentBase: path.join(__dirname, 'public'),
-        port: 5000,
-        host: '0.0.0.0',
-        after: () => {
-            if (config.devServer.host === '0.0.0.0') {
-                console.log(
-                    `webpack-dev-server can be accessed externally at: http://${ip.address()}:${config.devServer.port}`,
-                );
-            }
+        devtool: 'source-map',
+        resolve: {
+            extensions: ['.js', '.json', '.ts', '.tsx'],
         },
-    },
+        module: {
+            rules: [
+                {
+                    test: /\.(ts|tsx)$/,
+                    loader: 'awesome-typescript-loader',
+                },
+                {
+                    test: /\.svg$/,
+                    loader: 'svg-react-loader',
+                },
+            ],
+        },
+        devServer: {
+            contentBase: path.join(__dirname, 'public'),
+            port: 5000,
+            host: '0.0.0.0',
+            after: () => {
+                if (config.devServer.host === '0.0.0.0') {
+                    console.log(
+                        `webpack-dev-server can be accessed externally at: http://${ip.address()}:${
+                            config.devServer.port
+                        }`,
+                    );
+                }
+            },
+        },
+    };
+    return config;
 };
-
-module.exports = config;